Vulnerability identifier: #VU26078

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-10564

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
WordPress File Upload
Web applications / Modules and components for CMS

Vendor: Nickolas Bossinas

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WordPress File Upload: 4.0.0 - 4.12.2

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External links
http://github.com/beerpwn/CVE/tree/master/WP-File-Upload_disclosure_report/
http://wordpress.org/plugins/wp-file-upload/#developers
http://wpvulndb.com/vulnerabilities/10132

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.